86 PRESENT-DAY GARDENING 
All the species of the Javanicum race and the hybrids 
and crosses raised from them, require the conditions of a 
warm greenhouse. In summer, moisture and shade are of 
most importance. The minimum temperature for them is 
about 55° F., and they are happiest when kept under glass 
all the year round. Most of them are epiphytes where they 
are wild, growing on the branches and stems of large trees 
in moist forests on the mountains of Java and Borneo, 
where the conditions are such as Orchids luxuriate in. 
In cultivation they are satisfactory only when grown in 
sandy soil, chiefly peat. 
In the belief that border cultivation would be as suitable 
for them as it is for other species, a collection was planted 
out in the Mexican House at Kew. Here they grew ex- 
ceptionally well, but there was some unascertained con- 
dition wanting, and after the first year or so they failed to 
flower. Cultivated in pots, however, they flower freely and 
continuously, the plants having at the same time shoots in 
various stages of development as well as flowers, in con- 
sequence of which they are in flower practically all the 
year round. To prove this, Messrs. ]. Veitch & Sons some 
years ago exhibited at every fortnightly meeting of the 
R.H.S. for a whole year, a collection of the flowers which 
had been produced, not by special treatment, but under 
quite normal conditions. 
They are propagated by means of half-ripened shoots 
which readily strike root in a propagating case, and they 
are amenable to training and pinching, so that they can be 
kept to convenient size and shape. They do not appear 
to grow large, the highest being less than 6 feet. They 
require to be kept moist all the year round, frequent spray- 
ing overhead being good for them, especially in summer. 
